Product Information
- Door mortise-type locking devices,Security protection, comprehensive upgrade, 100,000 times to open.
- Made of pure copper, it is sturdy and durable.Easy to install with only a few simple tools
- Made of high-quality copper, it has strong corrosion resistance and is not easy to rust.
- Significantly enhances the anti-theft and ease of use of the lock cylinder.
- Powder metallurgy material, the friction coefficient between the surface of the material is small, long service life and good reliability.



















